Home

A transformer

A. converts direct current into alternating current

B. converts alternating current into direct current

C. steps up or steps down a given alternating current voltage

D. supplies current with zero resistance

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Rain drops acquire spherical shape due to
  2. The function of a moderator in a nuclear reactor is
  3. The hygrometer is an apparatus used for finding the
  4. A bar magnet tied in the middle with a thread is suspended at the South Pole of the earth. The magnet…
  5. Separating particles from a suspension is effected by
  6. Primary colours are
  7. The speed of sound in a medium depends upon the properties of the medium such as
  8. The air inside an electric, bulb is removed to prevent
  9. The Solar System lies near the edge of a galaxy known as
  10. Sound waves
  11. The attraction between similar molecules is called
  12. Changing of one element into another element is known as
  13. The barometer was invented by
  14. Which mirror is used as a rear view mirror in Vehicles?
  15. In a vacuum the following three articles are dropped at the same time and from the lame height. Which…
  16. Cyclotron is an apparatus used
  17. If a man wants to hear clearly the echo of a sound produced by him from a hill, the hill should be away…
  18. Mercury is used in a barometer because
  19. An electric charge is measured in
  20. Antiparticle of electron is
  21. When the velocity of a body is halved
  22. The velocity required to place a vehicle in orbit round the moon is _________ that required to place…
  23. When a body is partly or wholly immersed in a liquid the apparent loss of weight is equal to the weight…
  24. In which of the following will a piece of iron weigh most?
  25. A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps
  26. The colour of a star is an indication of its
  27. The inside of both the walls of a thermos flask is silvered i.e., on the vacuum side in order to reduce…
  28. The rate of cooling of a hot body depends on
  29. A spherical mirror is
  30. The hydraulic jack to lift heavy vehicles in automobile service stations is one of the applications…